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As a supersonic aircraft increases in speed, the angle of its V-shaped shock wave becomes
Seasonal Variation
The fluctuations in data or activity that occur at specific regular intervals due to seasonal factors, such as quarterly or annually.
Steady Growth
A consistent and uninterrupted increase in size, value, quantity, or extent over a period of time.
Exponential Smoothing
A time series forecasting method for univariate data that applies weighted averages of past observations, giving more weight to recent observations.
Long-term Trend
The persistent movement or direction in data over a long period, revealing a general pattern of change.
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